// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#pragma once

#include <exception>
#include <string>

namespace knowhere {

class KnowhereException : public std::exception {
 public:
    explicit KnowhereException(const std::string& msg);

    KnowhereException(const std::string& msg, const char* funName, const char* file, int line);

    const char*
    what() const noexcept override;

    std::string msg;
};

#define KNOHWERE_ERROR_MSG(MSG) printf("%s", KnowhereException(MSG, __PRETTY_FUNCTION__, __FILE__, __LINE__).what())

#define KNOWHERE_THROW_MSG(MSG)                                                \
    do {                                                                       \
        throw KnowhereException(MSG, __PRETTY_FUNCTION__, __FILE__, __LINE__); \
    } while (false)

#define KNOHERE_THROW_FORMAT(FMT, ...)                                             \
    do {                                                                           \
        std::string __s;                                                           \
        int __size = snprintf(nullptr, 0, FMT, __VA_ARGS__);                       \
        __s.resize(__size + 1);                                                    \
        snprintf(&__s[0], __s.size(), FMT, __VA_ARGS__);                           \
        throw faiss::FaissException(__s, __PRETTY_FUNCTION__, __FILE__, __LINE__); \
    } while (false)

}  // namespace knowhere
